ACPI: thinkpad-acpi: rename IBM in defines

Rename defines with IBM in their name that are related to the older
driver name (ibm-acpi) to TPACPI, unless they are specific to IBM
ThinkPads.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>